WO2011078534A2 - 다중 안테나를 지원하는 무선 이동 통신 시스템에 있어서, 상향링크 데이터와 제어정보를 전송하는 방법 및 장치 - Google Patents
다중 안테나를 지원하는 무선 이동 통신 시스템에 있어서, 상향링크 데이터와 제어정보를 전송하는 방법 및 장치 Download PDFInfo
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- WO2011078534A2 WO2011078534A2 PCT/KR2010/009110 KR2010009110W WO2011078534A2 WO 2011078534 A2 WO2011078534 A2 WO 2011078534A2 KR 2010009110 W KR2010009110 W KR 2010009110W WO 2011078534 A2 WO2011078534 A2 WO 2011078534A2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
Definitions
- the present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting uplink data and control information in a wireless mobile communication system supporting multiple antennas.
- a user equipment may receive information from a base station through downlink, and the user equipment may also transmit information through uplink.
- the information transmitted or received by the user device includes data and various control information, and various physical channels exist according to the type and purpose of the information transmitted or received by the user device.
- FIG. 1 is a diagram illustrating physical channels used in a 3rd generation partnership project (3GPP) long term evolution (LTE) system, which is an example of a mobile communication system, and a general signal transmission method using the same.
- 3GPP 3rd generation partnership project
- LTE long term evolution
- the user equipment which is powered on again or enters a new cell while the power is turned off performs an initial cell search operation such as synchronizing with the base station in step S101.
- the user equipment may receive a Primary Synchronization Channel (P-SCH) and a Secondary Synchronization Channel (S-SCH) from the base station to synchronize with the base station and obtain information such as a cell ID. have. Thereafter, the user equipment may receive a physical broadcast channel from the base station to obtain broadcast information in a cell.
- the user equipment may receive a downlink reference signal (DL RS) in the initial cell search step to confirm the downlink channel state.
- DL RS downlink reference signal
- the user equipment After the initial cell search, the user equipment receives a physical downlink control channel (PDCCH) and a physical downlink control channel (PDSCH) according to the physical downlink control channel information in step S102. More specific system information can be obtained.
- PDCCH physical downlink control channel
- PDSCH physical downlink control channel
- the user equipment that has not completed the connection with the base station may perform a random access procedure such as step S103 to step S106 thereafter to complete the connection to the base station.
- the user equipment transmits a feature sequence as a preamble through a physical random access channel (PRACH) (S103), through a physical downlink control channel and a corresponding physical downlink shared channel.
- PRACH physical random access channel
- the response message for the random access may be received (S104).
- collision resolution such as transmission of additional physical random access channel (S105) and physical downlink control channel and corresponding physical downlink shared channel reception (S106) thereafter. You can perform a Content Resolution Resolution Procedure.
- the user equipment which has performed the above-described procedure is then subjected to a physical downlink control channel / physical downlink shared channel (S107) and a physical uplink shared channel (PUSCH) as a general uplink / downlink signal transmission procedure.
- a physical Uplink Control Channel (PUCCH) transmission (S108) may be performed.
- FIG. 2 is a diagram for describing a signal processing procedure for transmitting an uplink signal by a user equipment.
- the scrambling module 210 of the user device may scramble the transmission signal using the user device specific scrambling signal.
- the scrambled signal is input to the modulation mapper 220 and complexed according to the type of the transmission signal and / or the channel state by binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), or quadrature amplitude modulation (16QAM). Modulated into a symbol.
- BPSK binary phase shift keying
- QPSK quadrature phase shift keying
- 16QAM quadrature amplitude modulation
- Modulated into a symbol is processed by the transform precoder 230, and then input to the resource element mapper 240, where the resource element mapper 240 transmits the complex symbol to the time-frequency resource element to be used for actual transmission. Can be mapped to
- the signal thus processed may be transmitted to the base station through the antenna via the SC-FDMA signal generator 250.
- 3 is a diagram for describing a signal processing procedure for transmitting a downlink signal by a base station.
- the base station may transmit one or more code words in downlink.
- one or more codewords may each be processed as a complex symbol through the scrambling module 301 and the modulation mapper 302 as in the uplink of FIG. 2, after which the complex symbol is plural by the layer mapper 303.
- Each layer is mapped to a layer of, and each layer may be multiplied with a predetermined precoding matrix selected according to the channel state by the precoding module 304 and assigned to each transmit antenna.
- the transmission signal for each antenna thus processed is mapped to a time-frequency resource element to be used for transmission by the resource element mapper 305, and then each antenna is passed through an orthogonal frequency division multiple access (OFDM) signal generator 306. Can be transmitted through.
- OFDM orthogonal frequency division multiple access
- the uplink signal transmission uses the Single Carrier-Frequency Division Multiple Access (SC-FDMA) scheme differently from the OFDMA scheme used for the downlink signal transmission.
- SC-FDMA Single Carrier-Frequency Division Multiple Access
- FIG. 4 is a diagram for describing an SC-FDMA scheme for uplink signal transmission and an OFDMA scheme for downlink signal transmission in a mobile communication system.
- Both the user equipment for uplink signal transmission and the base station for downlink signal transmission include a serial-to-parallel converter (401), a subcarrier mapper (403), an M-point IDFT module (404), and a CP ( Cyclic Prefix) is identical in that it includes an additional module 406.
- the user equipment for transmitting signals in the SC-FDMA scheme further includes a parallel-to-serial converter (405) and an N-point DFT module (402), and the N-point DFT module (402). ) Offsets the influence of the IDFT processing of the M-point IDFT module 404 to some extent so that the transmitted signal has a single carrier property.
- 5 is a diagram illustrating a signal mapping method in a frequency domain for satisfying a single carrier characteristic in the frequency domain.
- (a) shows a localized mapping method
- (b) shows a distributed mapping method.
- 3GPP LTE system defines a local mapping method.
- Clustered SC-FDMA which is a modified form of SC-FDMA will be described.
- Clustered SC-FDMA divides the DFT process output samples into sub-groups in the subcarrier mapping process sequentially between the DFT process and the IFFT process, separated from each other by subgroups at the IFFT sample input. Characterized in the subcarrier region, and may include a filtering process and a cyclic extension process in some cases.
- the subgroup may be referred to as a cluster
- cyclic extension means a delay spread of a channel between successive symbols to prevent intersymbol interference (ISI) while each symbol of a subcarrier is transmitted through a multipath channel. This means inserting a longer guard interval.
- ISI intersymbol interference
- FIG. 6 is a diagram illustrating a signal processing procedure in which DFT process output samples are mapped to a single carrier in a cluster SC-FDMA.
- FIGS. 7 and 8 illustrate a signal processing procedure in which DFT process output samples are mapped to multi-carriers in a cluster SC-FDMA.
- 6 illustrates an example of applying a cluster SC-FDMA in an intra-carrier
- FIGS. 7 and 8 correspond to an example of applying a cluster SC-FDMA in an inter-carrier.
- FIG. 7 illustrates a case in which a signal is generated through a single IFFT block when subcarrier spacing between adjacent component carriers is aligned in a case where contiguous component carriers are allocated in the frequency domain.
- FIG. 8 illustrates a case in which signals are generated through a plurality of IFFT blocks because component carriers are not adjacent in a situation in which component carriers are allocated non-contiguous in the frequency domain.
- the cluster SC-FDMA has a one-to-one relationship between the DFT and the IFFT while applying the same number of IFFTs as the arbitrary number of DFTs. Therefore, the cluster SC-FDMA simply implements DFT spreading of the existing SC-FDMA and frequency subcarrier mapping of the IFFT. It is sometimes referred to as NxSC-FDMA or NxDFT-s-OFDMA. In the present invention, the generic expression will be referred to as segmented SC-FDMA.
- FIG. 9 is a diagram illustrating a signal processing procedure in a segment SC-FDMA system.
- the segment SC-FDMA performs a DFT process in groups by grouping all time-domain modulation symbols into N (N is an integer greater than 1) groups to alleviate a single carrier characteristic condition. It features.
- FIG. 10 is a diagram for describing a signal processing procedure for transmitting a reference signal (hereinafter, referred to as RS) in uplink.
- RS reference signal
- data is transmitted in the IFFT after generating the signal in the time domain and converting it through the DFT precoder and performing frequency mapping, while RS omits the process through the DFT precoder.
- the data is transmitted after the localization mapping (S12), the IFFT (S13) process, and the cyclic prefix (CP) attachment process (S14) are sequentially performed.
- FIG. 11 illustrates a structure of a subframe for transmitting an RS in the case of a normal CP
- FIG. 12 illustrates a structure of a subframe for transmitting an RS in the case of an extended CP. It is a figure which shows a structure.
- RS is transmitted through 4th and 11th OFDM symbols
- RS is transmitted through 3rd and 9th OFDM symbols.
- FIG. 13 is a block diagram illustrating a process of a transport channel for an uplink shared channel.
- data information multiplexed together with the control information is attached to a TB (Cyclic Redundancy Check) for TB to a transport block (hereinafter referred to as "TB") to be transmitted uplink (130).
- TB Transport block
- CBs Code Blocks
- the channel-coded data undergoes rate matching (133), and then the combination between the CBs is performed again (S134), and the combined CBs are CQI / PMI (Channel Quality Information / Precoding Matrix Index). And multiplexed (135).
- channel coding is performed separately from the data in CQI / PMI (136).
- the channel coded CQI / PMI is multiplexed with the data (135).
- RI Rank Indication
- channel encoding is performed separately from data, CQI / PMI, and RI (138).
- the multiplexed data, CQI / PMI, separately channel-coded RI, and ACK / NACK are channel interleaved to generate an output signal (139).
- RE physical resource element
- CQI / PMI and data are mapped onto the RE in a time-first manner.
- the encoded ACK / NACK is punctured and inserted around a demodulation reference signal (DM RS) symbol, and RI is rate matched next to the RE where the ACK / NACK is located.
- Resources for RI and ACK / NACK may occupy up to four SC-FDMA symbols.
- uplink control information such as data and CQI / PMI. Therefore, uplink transmission maintaining a low cubic metric (CM) can be achieved.
- At least one of two transmission schemes of SC-FDMA and cluster DFTs OFDMA on each component carrier for uplink transmission is performed for each user equipment.
- UL-MIMO Uplink-MIMO
- An object of the present invention is to provide a method and apparatus for multiplexing and transmitting data and control information during uplink MIMO transmission.
- a method for transmitting an uplink signal by a terminal includes uplink control information. Setting a rank of the uplink data to a rank of uplink data; Multiplexing first control information of the uplink control information with the uplink data; Interleaving the multiplexed output with uplink control information other than the first control information among the uplink control information; And transmitting the interleaved signal to a base station using the multiple antennas.
- MIMO Multiple Input Multiple Output
- the setting of the rank of the uplink control information to the rank of the uplink data may be performed through repetition of bits of the uplink control information.
- the setting of the rank of the uplink control information to the rank of the uplink data may be performed through rate matching.
- the first control information may be at least one of channel quality information and PMI.
- the uplink control information other than the first control information may be RI (Rank Indicator) or ACK / NACK (Acknowledgment / Negative Acknowledgment) information.
- RI Rank Indicator
- ACK / NACK Acknowledgment / Negative Acknowledgment
- a terminal device of a wireless mobile communication system supporting Multiple Input Multiple Output transmits an uplink signal to a base station and transmits a downlink signal from the base station using the multiple antennas.
- Transmitting and receiving unit for receiving A processing unit for processing a downlink signal received from the base station and an uplink signal for transmission to the base station; A memory unit connected to the processing unit and for storing an operating system program, an application program and a file associated with the operating system program or the application program, wherein the processing unit is configured to rank a rank of uplink control information with a rank of uplink data;
- a bit size control unit configured to be set to;
- a multiplexer which multiplexes first control information of the uplink control information with the uplink data;
- a channel interleaving unit configured to channel-leave the multiplexed output with uplink control information other than the first control information among the uplink control information.
- the bit size control unit may set the rank of the uplink control information as the rank of the uplink data by repeating the bits of the uplink control information.
- the bit size controller may set the rank of the uplink control information as the rank of the uplink data through rate matching.
- the first control information may be at least one of channel quality information and PMI.
- the uplink control information other than the first control information may be RI (Rank Indicator) or ACK / NACK (Acknowledgment / Negative Acknowledgment) information.
- RI Rank Indicator
- ACK / NACK Acknowledgment / Negative Acknowledgment
- the data and control information when transmitting data and control information in the uplink, are transmitted by setting the same rank of the data and the rank of the control information, thereby reducing signaling overhead and improving system performance. .
- FIG. 1 is a diagram for describing physical channels used in an 3GPP LTE system, which is an example of a mobile communication system, and a general signal transmission method using the same.
- FIG. 2 is a diagram for describing a signal processing procedure for transmitting an uplink signal by a user equipment.
- 3 is a diagram for describing a signal processing procedure for transmitting a downlink signal by a base station.
- FIG. 4 is a diagram for describing an SC-FDMA scheme for uplink signal transmission and an OFDMA scheme for downlink signal transmission in a mobile communication system.
- FIG. 5 is a diagram illustrating a signal mapping method in a frequency domain for satisfying a single carrier characteristic in the frequency domain.
- FIG. 6 is a diagram illustrating a signal processing procedure in which DFT process output samples are mapped to a single carrier in a cluster SC-FDMA.
- FIG. 7 and 8 illustrate a signal processing procedure in which DFT process output samples are mapped to multi-carriers in a cluster SC-FDMA.
- FIG. 9 is a diagram illustrating a signal processing procedure in a segment SC-FDMA system.
- FIG. 10 is a diagram illustrating a signal processing procedure for transmitting a reference signal in the uplink.
- FIG. 11 is a diagram illustrating a structure of a subframe for transmitting an RS in the case of a standard cyclic prefix
- FIG. 12 is a diagram illustrating a structure of a subframe for transmitting an RS in the case of an extended cyclic prefix.
- FIG. 13 is a block diagram illustrating a process of a transport channel for an uplink shared channel.
- 14 is a diagram illustrating a mapping method of physical resources for uplink data and control channel transmission.
- 15 is a flowchart illustrating a method of efficiently multiplexing data and control channels on an uplink shared channel according to the present invention.
- 16 is a block diagram illustrating a method for generating a transmission signal for data and a control channel according to the present invention.
- 17 illustrates a codeword to layer mapping method.
- FIG. 18 is a block diagram showing a configuration of a device applicable to a base station and a user equipment and capable of carrying out the present invention.
- Embodiments of the present invention may be supported by standard documents disclosed in at least one of the Institute of Electrical and Electronics Engineers (IEEE) 802.11m, 3GPP system, 3GPP LTE / LTE-A system, and 3GPP2 system, which are wireless access systems. have. That is, steps or parts which are not described to clearly reveal the technical spirit of the present invention among the embodiments of the present invention may be supported by the above documents. In addition, all terms disclosed in the present document can be described by the above standard document.
- IEEE Institute of Electrical and Electronics Engineers
- 15 is a flowchart illustrating a method of efficiently multiplexing data and control channels on an uplink shared channel according to the present invention.
- the user equipment recognizes a rank for data of a Physical Uplink Shared Channel (PUSCH) (S150). Then, the user equipment is an uplink control channel in the same rank as the rank for the data (the control channel means uplink control information (UCI) such as CQI, ACK / NACK and RI). A rank is set (S151). In addition, the user device multiplexes data and control information (S152). Then, after mapping data and CQI in a time-first manner, the channel is mapped to the RI to the designated RE and the ACK / NACK to perforate the RE around the DM-RS to help map the channel. Interleaving may be performed (S153).
- UCI uplink control information
- the data and the control channel can be modulated with QPSK, 16QAM, 64QAM, etc. according to the MCS table (S154).
- the modulation step may be moved to another position (for example, the modulation block may be moved before the multiplexing step of data and control channel).
- channel interleaving may be performed in units of codewords or may be performed in units of layers.
- each LLR output may be accumulated by MRC (Maximum Ratio Combining).
- the Log-Likelihood Ratio refers to the output of a demapper of the PSK / QAM, and means a logarithm of the probability of whether the corresponding bit is 0 or 1.
- the LLR may be defined as in Equation 1 below.
- the present invention does not impose any restrictions on the multiplexing of data and control channels. That is, the same principle described above may be applied to the case of applying time division multiplexing (TDM) to data and control channels.
- TDM time division multiplexing
- the number of codewords is not limited to only two codewords for ease of explanation. That is, the present invention described below may be equally applied to two or more codewords. In addition, the present invention described below may be applied independently for each codeword. That is, for example, the present invention may be applied only to the first codeword when the first codeword and the second codeword exist.
- 16 is a block diagram illustrating a method for generating a transmission signal for data and a control channel according to the present invention. The position of each block can be changed in the application manner.
- channel coding is performed for each codeword (160) and rate matching is performed according to the given MCS table (161).
- the encoded bits may then be scrambled in a cell-specific or UE-specific or codeword-specific manner (162).
- codeword to layer mapping is performed (163).
- an operation of layer shift or permutation may be included.
- FIG. 17 illustrates a codeword to layer mapping method.
- the codeword to layer mapping may be performed using the rule illustrated in FIG. 17.
- the precoding position in FIG. 17 may be different from the position of the precoding in FIG. 13.
- Control information such as CQI, RI, and ACK / NACK
- CQI, RI, and ACK / NACK is channel coded 165 according to a given specification.
- the CQI, RI, and ACK / NACK may be encoded by using the same channel code for all codewords, or may be encoded by using a different channel code for each codeword.
- the number of encoded bits can then be changed by the bit size control (166).
- the bit size control unit may be unified with the channel coding block 165.
- the signal output from the bit size controller is scrambled (167). In this case, scrambling may be performed cell-specifically, layer-specifically, codeword-specifically, or UE-specifically.
- the bit size control unit may operate as follows.
- the controller recognizes a rank n_rank_pusch of data for the PUSCH.
- the encoded bits may be generated by applying channel coding and rate matching defined in the existing system (eg, LTE Rel-8).
- bit level interleaving may be performed to further randomize each layer. Or equivalently, interleaving may be performed at the modulation symbol level.
- Data for the CQI / PMI channel and the two codewords may be multiplexed by a data / control multiplexer (164). Then, while allowing the ACK / NACK information to be mapped to the REs around the uplink DM-RS in both slots in the subframe, the channel interleaver maps the CQI / PMI according to a time-first mapping scheme (168).
- Modulation is performed on each layer (169), DFT precoding 170, MIMO precoding 171, RE mapping 172, and the like are sequentially performed. Then, the SC-FDMA signal is generated and transmitted through the antenna port (173).
- the functional blocks are not limited to the position shown in FIG. 16 and may be changed in some cases.
- the scrambling blocks 162 and 167 may be located after the channel interleaving block.
- the codeword-to-layer mapping block 163 may be located after the channel interleaving block 168 or after the modulation mapper block 169.
- the device 100 includes a processing unit 101, a memory unit 102, a radio frequency (RF) unit 103, a display unit 104, and a user interface unit 105. .
- the layer of physical interface protocol is performed in the processing unit 101.
- the processing unit 101 provides a control plane and a user plane. The function of each layer may be performed in the processing unit 101.
- the processing unit 101 may perform the embodiments of the present invention described above.
- the processing unit 101 may perform a function of generating a user equipment location determination subframe or receiving the subframe to determine the location of the user device.
- the memory unit 102 is electrically connected to the processing unit 101 and stores an operating system, an application, and a general file. If the device 100 is a user device, the display unit 104 may display a variety of information, and may be implemented by using a known liquid crystal display (LCD), an organic light emitting diode (OLED), or the like.
- the user interface unit 105 can be configured in combination with known user interfaces such as keypads, touch screens, and the like.
- the RF unit 103 is electrically connected to the processing unit 101 and transmits or receives a radio signal.
- each component or feature is to be considered optional unless stated otherwise.
- Each component or feature may be embodied in a form that is not combined with other components or features. It is also possible to combine some of the components and / or features to form an embodiment of the invention.
- the order of the operations described in the embodiments of the present invention may be changed. Some components or features of one embodiment may be included in another embodiment or may be replaced with corresponding components or features of another embodiment. It is obvious that the claims may be combined to form an embodiment by combining claims that do not have an explicit citation relationship in the claims or as new claims by post-application correction.
- a user equipment may be replaced with terms such as a mobile station (MS), a subscriber station (SS), a mobile subscriber station (MSS), or a mobile terminal.
- MS mobile station
- SS subscriber station
- MSS mobile subscriber station
- mobile terminal a mobile terminal
- the UE of the present invention includes a PDA (Personal Digital Assistant), a cellular phone, a Personal Communication Service (PCS) phone, a Global System for Mobile (GSM) phone, a Wideband CDMA (WCDMA) phone, a Mobile Broadband System (MBS) phone, and the like. Can be used.
- PDA Personal Digital Assistant
- GSM Global System for Mobile
- WCDMA Wideband CDMA
- MBS Mobile Broadband System
- Embodiments of the invention may be implemented through various means.
- embodiments of the present invention may be implemented by hardware, firmware, software, or a combination thereof.
- the method according to embodiments of the present invention may include one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs). Field programmable gate arrays (FPGAs), processors, controllers, microcontrollers, microprocessors, and the like.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGAs Field programmable gate arrays
- processors controllers, microcontrollers, microprocessors, and the like.
- the method according to the embodiments of the present invention may be implemented in the form of a module, procedure, or function that performs the functions or operations described above.
- the software code may be stored in a memory unit and driven by a processor.
- the memory unit may be located inside or outside the processor, and may exchange data with the processor by various known means.
- the present invention can be used in a terminal, base station, or other equipment of a wireless mobile communication system.
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Abstract
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Claims (10)
- 다중 안테나(Multiple Input Multiple Output; MIMO)를 지원하는 무선 이동 통신 시스템에 있어서, 단말이 상향링크 신호를 전송하는 방법은,상향링크 제어정보의 랭크를 상향링크 데이터의 랭크로 설정하는 단계;상기 상향링크 제어정보 중 제1 제어정보를 상기 상향링크 데이터와 다중화하는 단계;상기 다중화된 출력을 상기 상향링크 제어정보 중 상기 제1 제어정보 이외의 상향링크 제어정보와 채널 인터리빙하는 단계; 및상기 인터리빙된 신호를 상기 다중 안테나를 이용하여 기지국으로 전송하는 단계를 포함하는,상향링크 신호 전송방법.
- 제1항에 있어서,상기 상향링크 제어정보의 랭크를 상기 상향링크 데이터의 랭크로 설정하는 단계는, 상기 상향링크 제어정보의 비트의 반복을 통하여 수행되는,상향링크 신호 전송방법.
- 제1항에 있어서,상기 상향링크 제어정보의 랭크를 상기 상향링크 데이터의 랭크로 설정하는 단계는, 레이트 매칭을 통해 수행되는,상향링크 신호 전송방법.
- 제1항에 있어서,상기 제1 제어정보는 채널 품질 정보(Channel Quality Information)인,상향링크 신호 전송방법.
- 제1항에 있어서,상기 제1 제어정보 이외의 상향링크 제어정보는,랭크 정보 또는 ACK/NACK(Acknowledgment/Negative Acknowledgment) 정보인,상향링크 신호 전송방법.
- 다중 안테나(Multiple Input Multiple Output; MIMO)를 지원하는 무선 이동 통신 시스템의 단말 장치에 있어서,상기 다중 안테나를 이용하여, 기지국으로 상향링크 신호를 송신하고 상기 기지국으로부터 하향링크 신호를 수신하는 송수신 유닛;상기 기지국으로부터 수신한 하향링크 신호와 상기 기지국으로 송신하기 위한 상향링크 신호를 처리하기 위한 처리 유닛;상기 처리 유닛과 연결되고 오퍼레이팅 시스템 프로그램, 응용 프로그램 및 상기 오퍼레이팅 시스템 프로그램 또는 상기 응용 프로그램과 관련된 파일을 저장하기 위한 메모리 유닛을 포함하며,상기 처리 유닛은,상향링크 제어정보의 랭크를 상향링크 데이터의 랭크로 설정하는 비트 사이즈 제어부;상기 상향링크 제어정보 중 제1 제어정보를 상기 상향링크 데이터와 다중화하는 다중화부;상기 다중화된 출력을 상기 상향링크 제어정보 중 상기 제1 제어정보 이외의 상향링크 제어정보와 채널 인터리빙하는 채널 인터리빙 부를 포함하는,단말 장치
- 제6항에 있어서,상기 비트 사이즈 제어부는,상기 상향링크 제어정보의 비트를 반복해서 상기 상향링크 제어정보의 랭크를 상기 상향링크 데이터의 랭크로 설정하는,단말 장치.
- 제6항에 있어서,상기 비트 사이즈 제어부는,레이트 매칭을 통해 상기 상향링크 제어정보의 랭크를 상기 상향링크 데이터의 랭크로 설정하는,단말 장치.
- 제6항에 있어서,상기 제1 제어정보는,채널 품질 정보(Channel Quality Information)인,단말 장치.
- 제6항에 있어서,상기 제1 제어정보 이외의 상향링크 제어정보는,랭크 정보 또는 ACK/NACK(Acknowledgment/Negative Acknowledgment) 정보인,단말 장치.
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CA2761103A CA2761103C (en) | 2009-12-21 | 2010-12-20 | Method and apparatus for transmitting uplink data and control information in a wireless mobile communication system that supports mimo antennas |
CN201080027636.5A CN102474325B (zh) | 2009-12-21 | 2010-12-20 | 在支持mimo天线的无线移动通信系统中发送上行链路数据和控制信息的方法和装置 |
AU2010336076A AU2010336076B2 (en) | 2009-12-21 | 2010-12-20 | Method and apparatus for transmitting uplink data and control information in a wireless mobile communication system that supports MIMO antennas |
RU2011145072/07A RU2519903C2 (ru) | 2009-12-21 | 2010-12-20 | Способ и устройство для передачи данных восходящей линии связи и управляющей информации в системе беспроводной подвижной связи, в которой поддерживается несколько передающих антенн и несколько приемных антенн (mimo) |
US13/318,775 US20120051317A1 (en) | 2009-12-21 | 2010-12-20 | Method and apparatus for transmitting uplink data and control information in a wireless mobile communication system that supports mimo antennas |
JP2012544400A JP2013515390A (ja) | 2009-12-21 | 2010-12-20 | 多重アンテナに対応する無線移動体通信システムにおいて,アップリンクデータ及び制御情報を送信する方法,並びに装置 |
EP10839731A EP2518907A2 (en) | 2009-12-21 | 2010-12-20 | Method and apparatus for transmitting uplink data and control information in a wireless mobile communication system that supports mimo antennas |
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US28834109P | 2009-12-21 | 2009-12-21 | |
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KR1020100043821A KR20110073189A (ko) | 2009-12-21 | 2010-05-11 | 다중 안테나를 지원하는 무선 이동 통신 시스템에 있어서, 상향링크 데이터와 제어정보를 전송하는 방법 및 장치 |
KR10-2010-0043821 | 2010-05-11 |
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EP (1) | EP2518907A2 (ko) |
JP (1) | JP2013515390A (ko) |
KR (1) | KR20110073189A (ko) |
CN (2) | CN102474325B (ko) |
AU (1) | AU2010336076B2 (ko) |
CA (1) | CA2761103C (ko) |
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WO2017050760A1 (en) * | 2015-09-21 | 2017-03-30 | Ipcom Gmbh & Co. Kg | Non-orthogonal multiple access signalling in lte |
PT3375249T (pt) * | 2015-11-10 | 2020-10-22 | Ericsson Telefon Ab L M | Sinalização de ligação ascendente e/ou ligação descendente relativa a diferentes tecnologias de acesso rádio |
JP2020017775A (ja) * | 2016-11-02 | 2020-01-30 | 株式会社Nttドコモ | ユーザ装置 |
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US8300582B2 (en) * | 2006-10-04 | 2012-10-30 | Qualcomm Incorporated | Uplink ACK transmission for SDMA in a wireless communication system |
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US8576807B2 (en) * | 2007-06-25 | 2013-11-05 | Qualcomm Incorporated | Channel interleaving structure for a wireless communication system |
US8467367B2 (en) * | 2007-08-06 | 2013-06-18 | Qualcomm Incorporated | Multiplexing and transmission of traffic data and control information in a wireless communication system |
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US9755708B2 (en) * | 2008-04-16 | 2017-09-05 | Texas Instruments Incorporated | High data rate uplink transmission |
US8345794B2 (en) * | 2008-04-29 | 2013-01-01 | Qualcomm Incorporated | Encoded control channel information interleaving |
US8625554B2 (en) * | 2009-01-30 | 2014-01-07 | Samsung Electronics Co., Ltd. | System and method for uplink data and control signal transmission in MIMO wireless systems |
US9094167B2 (en) * | 2009-02-02 | 2015-07-28 | Samsung Electronics Co., Ltd. | System and method for multi-user and multi-cell MIMO transmissions |
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RU2011145072A (ru) | 2014-01-27 |
CN104579446A (zh) | 2015-04-29 |
CA2761103C (en) | 2015-02-17 |
EP2518907A2 (en) | 2012-10-31 |
KR20110073189A (ko) | 2011-06-29 |
WO2011078534A3 (ko) | 2011-10-27 |
US20120051317A1 (en) | 2012-03-01 |
RU2519903C2 (ru) | 2014-06-20 |
CA2761103A1 (en) | 2011-06-30 |
CN102474325B (zh) | 2016-03-23 |
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AU2010336076A1 (en) | 2011-12-08 |
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